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Ideal for low-power Hall thruster systems

MUSIC hollow cathode

1 A-class LaB6 cathode | International customers

The electron source behind Aliena's Hall effect thrusters. A flight-ready hollow cathode delivering reliable ignition and stable operation for Hall thrusters from 70 - 350 W.

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MUSIC Hall thruster empowered by the MUSIC hollow cathode

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Specifications

Type

Heated  (ceramic encapsulated )

Emitter

Current

Ignition heating power

Flow rate (Xe)

Alternative working gas

Suggested thruster power

Self-sustained operation

Startup time

Mass / Dimensions

Lanthanum hexaboride

0.2 - 1.2 A

< 50 W

0.05 - 0.16 mg/s

Kr

70 - 350 W

Yes

4.5 minutes

50 g | 3 cm x 4.5 cm

Available for lease in R&D or purchase for flight missions | Ready for flight. Coupled internationally with two external third-party Hall thrusters in programs and test campaigns

Medium Electron EmitteR CAThode

MEERCAT hollow cathode

2.5 - 5 A LaB6 cathode | Tested globally

The high-current electron source for high-power Hall propulsion. The electron source behind Aliena's MFE. Delivering performance for Hall thrusters up to 2 kW.

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MEERCAT undergoing standalone tests

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Specifications

Type

Heated  (swaged heater)

Emitter

Current

Ignition heating power

Flow rate (Xe)

Alternative working gas

Suggested thruster power

Self-sustained operation

Startup time

Mass / Dimensions

Lanthanum hexaboride

2.5 - 5.0 A

< 100 W

0.37 - 0.57 mg/s

Kr

0.5 - 2.0 kW

Yes

5 minutes

210 g | 5.5 cm x 10 cm

Available for lease in R&D or purchase for flight missions | Ready for flight. Coupled internationally with  external third-party Hall thrusters in programs and test campaigns

For next generation missions

Hydrocat hollow cathode

5 A-class LaB6 cathode | Altenate propellants

Designed for the most ambitious Hall thruster systems. A versatile high-current hollow cathode engineered for Hall thrusters up to 3.5 kW, compatible with xenon, krypton, argon, nitrogen, and hydrogen.

Hydrocat operating with hydrogen with a water electrolysis Hall thruster

(c) URA thrusters / Imperial College London

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Specifications

Type

Emitter

Current

Ignition heating power

Flow rate (Xe)

Alternative working gas

Suggested thruster power

Self-sustained operation

Startup time

Mass / Dimensions

Heated 

Lanthanum hexaboride

3.5 - 10.0 A

< 200 W

0.47 - 0.76 mg/s

Xenon, Krypton, Argon, Nitrogen, Hydrogen

0.9 - 10.0 kW

Yes

10 minutes

250 g | 6.0 cm x 9.25 cm

Available for lease in R&D or development for flight missions | Coupled internationally with two external third-party Hall thrusters using non-conventional propellants in programs and test campaigns

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